What are the features of high availability and scalability in Amazon Aurora?
Amazon Aurora is a fully managed relational database service with high availability and scalability features. The following are the high availability and scalability features of Amazon Aurora:
- Multiple availability zone deployment: Amazon Aurora allows for database instances to be deployed across multiple availability zones, ensuring that the system remains available even if one availability zone experiences a failure.
- Automatic failover: Amazon Aurora has an automatic failover feature that can detect failures in a database instance and transfer the workload to another healthy database instance to ensure system availability.
- Data backup and recovery: Amazon Aurora supports automatic backup and restore functionality, allowing databases to be periodically backed up and backup data to be stored, ensuring that data is not lost.
- Auto-scaling: Amazon Aurora has the ability to automatically adjust the size of database instances based on actual workloads, enabling dynamic scaling up and down to enhance system performance and scalability.
- Read/write separation: Amazon Aurora supports read/write separation, allowing read and write operations to be distributed to different database instances to improve system performance and load balancing capabilities.
In general, Amazon Aurora offers a highly available and scalable database service with features such as multi-region deployment, automatic failover, data backup and recovery, automatic scaling, and read/write separation. It can meet the needs of applications of various sizes and requirements.
